R134a Refrigerant Specification
Technical Data Sheet(TDS) 1,1,1,2-Tetrafluoroethane(Refrigerant R 365mfc) CH₂FCF₃ R134a, and.
1 Product Identification
| Item | Value |
|---|---|
| Product Name | R134a Refrigerant |
| Chemical Name | 1,1,1,2-Tetrafluoroethane（Refrigerant R 365mfc） |
| English Name | 1,1,1,2-Tetrafluoroethane |
| Molecular Formula | CH₂FCF₃ |
| Molecular Weight | 102.03 |
| CAS Registry Number | 811-97-2 |
| EINECS No. | 212-377-0 |
| UN Number | 3159 |
| Transport Hazard Class | Class 2.2, non-flammable gas |
| ASHRAE Safety Classification | A1(Low toxicity, non-flammable) |
| Reference Basis | Manufacturer data; the batch COA governs |
Reference Basis: (Parameter GB/T 18826, Safety classification GB/T 7778, ASHRAE 34 / ISO 817)
2 Physical & Chemical Properties
R134a Typicaldata, system and,.
| Item | Typical Value |
|---|---|
| Appearance | Colorless, transparent liquefied gas |
| Odor | Slight ethereal odor, non-irritating |
| Boiling Point (101.3 kPa) | -26.3 ℃ |
| Freezing Point | -103.3 ℃ |
| Critical Temperature | 101.06 ℃ |
| Critical Pressure | 4.059 MPa |
| Critical Density | 512 kg/m³ |
| Vapor Pressure (25 C, absolute) | 0.665 MPa |
| Liquid Density(25 ℃) | 1206 kg/m³ |
| Liquid Density(-26.3 ℃, ) | 1377 kg/m³ |
| Saturated Vapor Density(25 ℃) | 32.4 kg/m³ |
| Latent Heat of Vaporization (at boiling point) | 216.9 kJ/kg |
| Liquid Specific Heat(25 ℃) | 1.42 kJ/(kg·K) |
| Vapor Specific Heat(25 ℃, 101.3 kPa) | 0.85 kJ/(kg·K) |
| Liquid Thermal Conductivity(25 ℃) | 0.0824 W/(m·K) |
| Vapor Thermal Conductivity(25 ℃) | 0.0141 W/(m·K) |
| Liquid Viscosity(25 ℃) | 0.202 mPa·s |
| Vapor Viscosity(25 ℃) | 0.0116 mPa·s |
| Surface Tension(25 ℃) | 8.9 mN/m |
| Water Solubility(25 ℃) | Slightly soluble, approx. 0.15 g/L |
| Auto-Ignition Temperature | Not applicable (non-flammable) |
| Flammability Limits in Air (vol.%) | None (non-flammable) |
| OEL (8 h TWA) | 1000 ppm |
| Ozone Depletion Potential (ODP) | 0 |
| GWP (100 yr, IPCC AR5) | 1430 |
| Atmospheric Lifetime | approx. 14 years |
3 Quality Specifications & Test Methods
R134a Parameter, Batch COA.
| Item | Parameter | Test Method |
|---|---|---|
| Appearance | Colourless and clear, free of suspended matter and mechanical impurities | Visual inspection |
| Purity | ≥ 99.95 % ( ≥ 99.99 %, approx.) | Gas chromatography GC-FID |
| Moisture | ≤ 10 ppm ( ≤ 5 ppm) | Karl Fischer coulometric method |
| Acidity( HCl ) | ≤ 0.1 ppm | Alkali absorption - potentiometric titration |
| Evaporation Residue | ≤ 0.01 % | Gravimetric method |
| Non-Condensable Gas(, 25 ℃) | ≤ 1.5 % | Gas chromatography |
| Oxygen content in vapour phase | ≤ 0.05 % | Gas chromatography |
| (Cl⁻) | Negative (pass) | Silver nitrate turbidimetry |
4 Comparison with Common Refrigerants
| Comparison Item | R134a(this product) | R513A | R1234yf |
|---|---|---|---|
| Composition | Single compound CH₂FCF₃ | R134a/R1234yf 44/56 Mixture | Single compound HFO-1234yf |
| ODP | 0 | 0 | 0 |
| GWP(100 years, AR5) | 1430 | 573 | < 1 |
| ASHRAE Safety Classification | A1 | A1 | A2L |
| Boiling point | -26.3 ℃ | 29.0 ℃(Near-azeotropic) | -29.4 ℃ |
| Temperature glide | 0 ℃(Single compound) | < 0.1 ℃ | 0 ℃(Single compound) |
| Relative cooling capacity | Baseline 100 % | approx. 96 % ~ 100 % | approx. 93 % ~ 98 % |
| Relative COP | Baseline | and R134a | Low, approx. -2 % ~ -5 % |
| Operating pressure | Baseline | and R134a | Low R134a |
| Compatible lubricant | POE | POE | POE / PVE |
| Retrofit feasibility | Original fluid in existing systems | — | requires dedicated equipment, not directly retrofittable |
| Current selection | air conditioning and commercial refrigerationexisting installed base | R134a low-GWP | air conditioning Regulations |
5 Packaging Specifications
| Package Type | Specification | Filling Ratio | Valve Connection | Application |
|---|---|---|---|---|
| disposable cylinder | 13.6 kg(customizable 9.5 kg / 22.7 kg) | ≤ 1.15 kg/L | W21.8-14(customizable CGA / DIN) | air conditioning Servicing and small-batch use |
| steel cylinder | 400 kg(T ) | ≤ 1.15 kg/L | W21.8-14 | and Bulk project supply |
| cylinder pallet | 12 × 13.6 kg | Per cylinder | W21.8-14 | Distribution via service networks |
| ISO ISO tank | approx. 20 t | per ISO tank | ISO tankconnection | and Transport |
Filling Ratioper"", steel cylinderper.
6 Applications
- air conditioning(passenger car, commercial vehicle and heat pumpsystem)
- refrigeratordisplay cabinet and commercial refrigeration
- chiller, air conditioning and High temperaturesystem
- Inhalationpropellant, aerosol propellant and polyurethanefoam blowing( / foam blowingapprox.)
Equipment Compatibility & Charging Advice
- R134a POE, and or; R12 systemretrofit.
- R134a,, system, per, and.
- charging equipment refrigerantNo. and steel cylinder, Specification, R134a and R12 connection,.
- air conditioningchargingper, chargingcondensing, and.
- R134a GWP 1430, EU F-Gas Regulationsair conditioning commercial refrigeration equipment GWP refrigerant, equipment R513A, R1234yf or R600a.
7 Storage & Transport
- Storage,, ventilation, 40 ℃, ignition source, heat source and.
- steel cylinder, and,,, and.
- R134a Non-flammable, Vapour, Spillagelow-lying areas, and equipmentoxygen, ventilation and oxygen.
- and oxygen, and (,, )Flammable.
- and, Low 0.05 MPa.
- Transportper Danger 2.2 class, and, steel cylinder.
8 Safety & Handling
- Asphyxiation riskR134a Vapour, Spillagelow-lying areas, and equipmentoxygen, ventilationoxygen(Low 19.5 %).
- SpillageSpillageventilation,;;leak detection or leak detection, open flamesleak detection.
- Thermal decomposition riskR134a open flames or High temperature(approx. 400 ℃ and above),, and open flames, ventilation.
- FirefightingR134a Non-flammable, steel cylinder Risk;, steel cylinder,.
- frostbite ProtectionLiquefied gasfrostbite, and;frostbite 40 ℃.
- Inhalation andVapourasphyxiation, and, fresh airoxygen;Eye contact 15.
9 Quality Assurance & Shipping Documents
- Batch COA, Purity, Moisture, Acidity and Evaporation Residue.
- Moisture, and Low temperature.
- 12 months, Batch, No. and.
- perthird-party test report(SGS / ), SDS Description REACH, RoHS; GMP.
10 Frequently Asked Questions
R134a Can it directly replace R12 ？
charging. R12 system, R134a POE,;retrofit,, compressor and. retrofit, R134a R12 refrigerant, charging.
air conditioningCan it be used with R1234yf R134a ？
. R1234yf A2L Mildly flammable refrigerant, EU F-Gas Regulations R1234yf Spillage and, R134a system compressor, and equipment. serviceexisting installed base, R134a; or EU, per R1234yf or R513A.
R134a GWP 1430 Is it being phased out?
R134a ODP 0, GWP 1430, "Kigali Amendment"phase-down. EU F-Gas Regulations GWP 150 refrigerant, commercial refrigerationrestricted. existing installed base equipment R134a, Item R513A(GWP 573), R1234yf(GWP < 1) or R600a(GWP 3).
R134a Shelf life?
steel cylinder, Storage, R134a Shelf Life 24 months., steel cylinder and, Low 0.05 MPa.
Disclaimer
Specificationdata Typical,;Parameter Batch COA. and, or or, equipment and Regulations.
Specificationdata Typical,;Parameter Batch COA. and, or or, equipment and Regulations.
| Reviewed by: | Approved by: | Hubei Zhongjin Fluorine Chemical Co., Ltd.
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